Yesrear-proof for inner + outer sleeves
But if you play two or more, you increase the odds that youll draw them too close together making the second one something like a bad Condescend
This is just so strong at all of the things, even outside of Standard let's look at this Saga

Creatures (27) 1 Solemn Simulacrum 1 Myr Battlesphere 1 Burnished Hart 1 Grenzo, Havoc Raiser 1 Aetherstorm Roc 1 Angel of Invention 1 Combustible Gearhulk 1 Whirler Virtuoso 1 Aethersquall Ancient 1 Aethergeode Miner 1 Aethertide Whale 1 Lightning Runner 1 Brudiclad, Telchor Engineer 1 Skyclave Apparition 1 Goldspan Dragon 1 Professional Face-Breaker 1 Amped Raptor 1 Satya, Aetherflux Genius 1 Cayth, Famed Mechanist 1 Roil Cartographer 1 Razorfield Ripper 1 Salvation Colossus 1 Silverquill Lecturer 1 Aurora Shifter 1 Blaster Hulk 1 Overclocked Electromancer 1 Sphinx of the Revelation Lands (38) 10 Plains 1 Adarkar Wastes 5 Mountain 5 Island 1 Shivan Reef 1 Battlefield Forge 1 Izzet Boilerworks 1 Azorius Chancery 1 Mystic Gate 1 Command Tower 1 Temple of Triumph 1 Temple of Enlightenment 1 Temple of Epiphany 1 Mystic Monastery 1 Prairie Stream 1 Port Town 1 Aether Hub 1 Castle Vantress 1 Frostboil Snarl 1 Furycalm Snarl 1 Demolition Field Spells (35) 1 Swords to Plowshares 1 Sol Ring 1 Wayfarer's Bauble 1 Talisman of Progress 1 Coalition Relic 1 Austere Command 1 Tezzeret's Gambit 1 Bident of Thassa 1 Aetherworks Marvel 1 Decoction Module 1 Confiscation Coup 1 Glimmer of Genius 1 Era of Innovation 1 Gonti's Aether Heart 1 Aethersphere Harvester 1 Coveted Jewel 1 Talisman of Conviction 1 Talisman of Creativity 1 Arcane Signet 1 Midnight Clock 1 Akroma's Will 1 Farewell 1 Legion Loyalty 1 Scurry of Gremlins 1 Izzet Generatorium 1 Aether Refinery 1 Bespoke Battlewagon 1 Solar Transformer 1 Hourglass of the Lost 1 Localized Destruction 1 Filigree Racer 1 Conversion Apparatus 1 Stone Idol Generator 1 Unstable Amulet 1 Jolted Awake A cycle of 10 non-basic lands from the main set were also previewed

In development, the rest of the development team wasn't as excited by it as I was and didn't feel it was worthy of three cards, so they removed it from the set
The alternate commanders for these decks are perhaps more interesting than the leaders themselves